4a Flashcards

1
Q

Hydrocarbon

A

A substance that contains hydrogen and carbon ONLY.

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2
Q

Empirical Formula

A

The simplest ratio of atoms in a compound: NaCl, Al2O3…

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3
Q

Molecular Formula

A

The actual number of atoms in a molecule: H2O…

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4
Q

Structural Formula

A

The arrangement of atoms in a molecule (doesn’t show all the bonds)

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5
Q

Displayed Formula

A

Shows all the bonds and the arrangement of atoms

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6
Q

General Formula

A

The trend/ratio of atoms in a homologous series

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7
Q

Homologous series

A

A group of chemical with:
-The same general formula (only differing by the number of CH2 units)
-Show a trend in physical properties
-Similar chemical reactions

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8
Q

Functional Group

A

Parts of an organic molecule that determines its reactions

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9
Q

Isomer

A

Molecule that has the same molucular formula but different structure

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10
Q

Compound prefixes

A
  1. Meth-
  2. Eth-
  3. Prop-
  4. But-
  5. Pent-
  6. Hex-
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11
Q

Substitution

A

A hydrogen atom is replaced with another atom. UV light is needed to break the bond.

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12
Q

Complete combustion

A

Hydrocarbon + Oxygen –> Carbon Dioxide + Water

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13
Q

Incomplete Combustion

A

Hydrocarbon + Oxygen –> Carbon Monoxide + Water

or

Hydrocarbon + Oxygen –> Carbon + Water

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14
Q

Addition

A

More atoms can be added because the compuound in unsaturated (contains a double bond).

Alkenes can undergo addition because they are unsaturated compounds.

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